2-Arylbenzoxazoles 2 have been made in 91-97% yields from phenolic Sch
iffs bases 1 by thianthrene cation radical perchlorate ((ThClO4-)-Cl-.) in the presence of 2,6-di-tert-butyl-4-methylpyridine. Copyright (C
) 1996 Published by Elsevier Science Ltd.